PROBLEM TO BE SOLVED: To provide a vehicular automatic transmission control device that eliminates the need of an electric oil pump in a vehicle having feature of stopping an amount of fuel supply to an engine based on an engine revolution speed during deceleration traveling.SOLUTION: The vehicular automatic transmission control device includes engine revolution speed maintenance control means that executes down-shift at a low vehicle speed to maintain a revolution speed of an oil pump capable of supplying sufficient hydraulic oil to a hydraulic engagement element even at the low vehicle speed.SELECTED DRAWING: Figure 8
【課題】減速走行中において、エンジンの回転速度に基づいてエンジンへの燃料供給量を停止する機能を持った車両において、電動オイルポンプを必要としない車両用自動変速機の制御装置を提供する。【解決手段】低車速においてダウンシフトを実行することにより、低車速でも油圧式係合要素へ充分な作動油を供給することのできるオイルポンプの回転速度に維持するエンジン回転速度維持制御手段を備えた車両用自動変速機の制御装置とする。【選択図】図8
VEHICULAR AUTOMATIC TRANSMISSION CONTROL DEVICE
車両用自動変速機の制御装置
2017-05-25
Patent
Electronic Resource
Japanese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F16H Getriebe , GEARING |
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